Steam client update released

A Steam client update is now available. To apply the update, click the File menu inside of Steam and then select "Check for Steam Client Updates...". The specific changes include:

- Added notification area in the main Steam window when receiving new Steam gifts, invites or coupons- Added tray notifications for new items & new pending gifts- Changed most options for sending/accepting gifts to be managed from the Steam Inventory- Fixed missing CD-Key dialog for games with multiple launch options- Fixed cloud upload failures for some games when users are near their quota- Fixed downloading new update while game is still running- Fixed bug that could impact content patching on Mac OSX.- Fixed creating empty folders in some cases- Fixed keeping "Do not automatically update this game" setting- Fixed bug updating Game Settings -> Automatic Updates (New content download system only)- Fixed creating backup folders for games with trailing spaces in their name- Fixed reading backups for games converted to new content system